
* {
    margin: 0;
    padding: 0;
    font-size: 12px;
}

hr {
    width: 1150px;
    margin: 10px 152px;
}

.top {
    width: 1520px;
    height: 140px;
    background-color: #2d3236;

}

.top_left {
    float: left;
}

.top_title {
    width: 120px;
    font-weight: bold;
    font-size: 30px;
    color: white;
    line-height: 140px;
    margin-left: 155px;
    border: 1px solid white;
}

.top_right {
    /*position: relative;*/
    width: 550px;
    height: 100%;
    /*height:80px ;*/
    float: right;
    border: 1px solid yellow;
    position: relative;
    overflow: hidden;
}

.top_search {
    width: 550px;
    height: 53px;
    border: 1px solid white;
    /*line-height: 203px;*/
    margin-top: 37px;
}

.top_search img {
    float: left; /*相对于父类容器左浮动*/
    height: 50px;
    border-radius: 0 8px 8px 0;

}

.top_search form input[type="text"] {
    float: left;
    font-size: 20px;
    width: 440px;
    height: 50px;
    border-radius: 8px 0px 0px 8px;
    border-style: none;
    /*line-height: 203px;*/
}

/*热搜*/
.top_search_nav {
    width: 1180px;
    height: auto;
}

.top_search_nav ul {

}

.top_search_nav ul li a {

    color: white;
    text-decoration: none;
}

.top_search_nav ul li a:hover {
    color: red;
    font-size: 18px;
    text-decoration: none;
}

.top_search_nav ul li a:active {
    color: #fdfe2e;
    text-decoration: none;
}

.top_search_nav ul li {
    list-style-type: none;
    float: left;
    font-size: 12px;
    color: white;
    margin-right: 20px;
    text-decoration: none;
}

.top_search_nav ul li:last-child {
    margin-right: 0px;
}

/*技术盒子*/
.skill_nav {
    margin-bottom: 20px;
    margin-left: 152px;
    width: 1180px;
    height: 75px
}

/*具体技术分类*/
.technology {
    margin: 0 auto;
    height: 75px;
    border: 1px solid blue;
    width: 1180px;
}

.technology ul li {
    list-style-type: none;
    float: left;
    line-height: 75px; /*行高为父类高度就会垂直居中*/
    font-weight: bold;
    margin-right: 25px;

}

.technology ul li a {
    font-size: 17px;
    color: black;
    text-decoration: none;
}

.technology ul li a:hover:not(.active) {
    color: #fe8f1b;
    font-size: 20px;
}

/*这里无法设置，第一个子元素生效，只能通过这样设置第一个链接的样式*/
.technology ul li a.active {
    font-size: 20px;
    color: #fe8f1b;
    text-decoration: red;

}

/*详细技术*/
.skill_all {

    margin-left: 152px;
    overflow: hidden;
    width: 1180px;
    height: auto;
    border: 1px solid #fe8f1b;
    margin-bottom: 30px;

}

.skill_all ul li {
    margin-top: 5px;
    list-style-type: none;
    float: left;
    margin-right: 25px;
    margin-bottom: 20px;
}

.skill_all ul li a {
    font-size: 16px;
    color: black;
    text-decoration: none;
    padding: 5px 10px;

}

.skill_all ul li a:hover:not(.active) {
    font-size: 16px;
    color: #2d3236;
    text-decoration: none;
    background-color: #fe8f1b;
    border-radius: 20px;
    padding: 5px 10px;
}

/*这里无法设置，第一个子元素生效，只能通过这样设置第一个链接的样式*/
.skill_all ul li a.active {
    font-size: 16px;
    color: white;
    text-decoration: none;
    background-color: #fe8f1b;
    border-radius: 20px;
    padding: 5px 10px;
}

/*视频区*/
.skill_video {

    width: 1187px;
    /*1200px*/
    height: auto;
    border: 1px solid black;
    margin-left: 152px;
    overflow: hidden; /*加上这一句视频布局就向前靠了*/

}

.skill_video li {
    list-style-type: none;
    float: left;
    margin-right: 26px;
    margin-left: 0px;
    margin-bottom: 55px;
    text-align: center;
}

/*第四个右边距为0*/
.skill_video li.not_margin_right {
    margin-right: 0;
}

.single_video {
    margin: 0 auto;
    width: 275px;
    height: 320px;
    border: 1px solid blue;

}

.skill_video img {
    cursor: pointer;
    margin: 0 auto;
    width: 272px;
    height: 150px;
    border-radius: 8px;
    transition: all 0.6s;
    overflow: visible;
}
.skill_video img:hover {
    /*定义2d转换*/
    transform: scale(1.1);
}

.skill_video_title {
    font-size: 18px;
    color: black;
    font-weight: bold;
    text-decoration: none;
}

.evaluate {
    margin: 8px 0;
}

.evaluate a {
    text-decoration: none;
}

.evaluate span {
    font-size: 11px;
    color: #2d3236;
}

.evaluate img {
    vertical-align: middle; /*图片和文字对齐*/
    width: 18px;
    height: 18px;
}

.describe {
    font-size: 11px;
    color: #66727b;
    text-indent: 2em;
    text-align: left;
}
/*支付搜藏*/
.video_pay{
   margin-top: 10px;
}

.video_pay a {
    color: black;
    text-decoration: none;
}

.video_pay a span.video_pay_span_right{
    color: #66727b;
    float: right;
    margin-left: 135px;
}

.video_pay a span.video_pay_span_left{

}
/*分页查询*/
.page ul.pagination {
    /*https://www.cnblogs.com/hy-sunny/p/5602236.html*/
    /*行内块元素*/
    display: inline-block;
    padding: 0;
    margin: 0;
}

.page ul.pagination li {
    /*与其他元素在同一行上*/
    display: inline-block;
    margin: 5px 5px;

}

.page ul.pagination li a {
    color: black;
    float: left;
    padding: 10px 16px;
    transition: background-color .3s;
    text-decoration: none;
    border-radius: 50%;
}

.page ul.pagination li a.active {
    color: white;
    background-color: black;
}

.page ul.pagination li a:hover:not(.active) {
    background-color: #fe6c0b;
    color: #dddddd;
}

.page {
    text-align: center;
    margin: 30px auto;
}

.foot{
    width:1520px;
    height: 110px;
    background-color: #1c1f21;
}

.foot ul {
    margin-left: 140px;
}

.foot ul li{
    margin-top: 30px;
    margin-left: 35px;
    display: inline-block;
}

.foot ul li a{
    float: left;
    text-decoration: none;
    color: white;
}

 #ower{
    margin-left: 175px;
    color: #dddddd;
}